Home / 1,310,118.58-1,808,016.69-729,365.50

Finding the Fourth Proportional to 1,310,118.58, 1,808,016.69 and 729,365.50

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Solution

The fourth proportional to 1,310,118.58, 1,808,016.69 and 729,365.50 is: 1,006,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,118.58 : 1,808,016.69 = 729,365.50 : x
  2. Step 2: Convert to fraction form
    1,310,118.58/1,808,016.69 = 729,365.50/x
  3. Step 3: Cross multiply
    1,310,118.58x = 1,808,016.69 × 729,365.50
  4. Step 4: Simplify right side
    1,310,118.58x = 1,318,704,997,110.20
  5. Step 5: Solve for x
    x = 1,318,704,997,110.20/1,310,118.58
  6. Step 6: Final answer
    x = 1,006,553.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.